MESON Chess Problem Database
Problem Display
PID: 172128 (3r4/4B3/ppB2pQ1/k5qR/1N1R3b/8/P1pN4/2K5 w - - 0 1)
Apro, Laszlo
Il Problema, 1933
#2
9 + 8
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qc5
- 2.Sb3#
- 1...Qd5
- 2.Sb3#
- 2.Sc4#
- 1...Qe5
- 2.Sb3#
- 2.Sc4#
- 1...Qf5
- 2.Sb3#
- 2.Sc4#
- 1...Qxh5
- 2.Sb3#
- 2.Sc4#
- 1...Qc5
- Tries
- 1.Sxc2?
- threat
- 2.Bb4#
- 2.Ra4#
- 1...b5
- 2.Bxd8#
- 1...Qb5
- 2.Sb3#
- 1...Qc5
- 2.Sb3#
- 2.Sc4#
- 2.Ra4#
- 1...Rd6
- 2.Ra4#
- 1...Rxd4!
- threat
- 1.Sd3?
- threat
- 2.Bb4#
- 2.Ra4#
- 1...b5
- 2.Bxd8#
- 1...Qb5
- 2.Sb3#
- 1...Qc5
- 2.Sb3#
- 2.Sc4#
- 2.Ra4#
- 1...Rd6
- 2.Ra4#
- 1...Rxd4!
- threat
- 1.Qd3?
- threat
- 2.Qxa6#
- 2.Qa3#
- 1...Qb5
- 2.Qa3#
- 1...Ra8
- 2.Qa3#
- 1...b5!
- threat
- 1.Sxc2?
- Keys
- 1.Qxc2!
- threat
- 2.Qa4#
- 1...b5
- 2.Bxd8#
- 1...Qb5
- 2.Sc4#
- 1...Qc5
- 2.Sb3#
- threat
- 1.Qxc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(d);N_PINS(C)::S(C)
- Tries
- Try
- S(D);XP(a)
- Threat
- DUALS(2)
- Vars
- P(f);N_SPINQ(d),OGATEB::B(I),XR(h)
- Q(d);N_PINS(C)::S(C)
- R(h);::R1(E)
- Refutation
- R(h);XR(E)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- P(f);N_SPINQ(d),OGATEB::B(I),XR(h)
- Q(d);N_PINS(C)::S(C)
- R(h);::R1(E)
- Refutation
- R(h);XR(E)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- Q(d);N_PINS(C)::QAR2(H)
- R(h);::QAR2(H)
- Refutation
- P(f);N_SPINQ(d)
- Try
- Actual
- Q(H);XP(a)
- Threat
- QAR1(H)
- Vars
- P(f);N_SPINQ(d),OGATEB::B(I),XR(h)
- Q(d);N_PINS(C)::S(C)
- Q(d);N_PINS(C),P_PINQ(H)::S(C)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).